1084945 has 8 divisors (see below), whose sum is σ = 1315944. Its totient is φ = 858624.

The previous prime is 1084943. The next prime is 1084949. The reversal of 1084945 is 5494801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 208849 + 876096 = 457^2 + 936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1084945 - 2¹ = 1084943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (164493).

2^1084945 is an apocalyptic number.

It is an amenable number.

1084945 is a deficient number, since it is larger than the sum of its proper divisors (230999).

1084945 is an equidigital number, since it uses as much as digits as its factorization.

1084945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1084945 is about 1041.6069316206. The cubic root of 1084945 is about 102.7549078784.

The spelling of 1084945 in words is "one million, eighty-four thousand, nine hundred forty-five".